The Pyle PLMCA20 weatherproof speaker system is what you need to listen to high-quality audio on your motorcycle, ATV, or snowmobile. It comes with two 3" 50-W weatherproof speakers and a 100-W amplifier. Plug your MP3 player or iPod into the included 3.5 mm jack to listen to your favorite music on this stylish system. Take total control of your sound with the included volume, treble and bass digital controls. Easy mounting brackets and accessories are included to make installation a quick process. Now you can listen to music on the go, anywhere - thanks to Pyle's Cycle Series speakers and amplifiers.